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Title: | STUDY OF THE BIOECOLOGY OF Tuta absoluta MEYRICK (LEPIDOPTERA, GELECHIIDAE) IN THE REGION OF OUARGLA (SEPTENTRIONAL SAHARA, ALGERIA) |
Authors: | CHENNOUF Rekia SAGGOU Hayat GUEZOUL Omar BRAHMI Karima DOUMANDJI-MITICHE Bahia |
Keywords: | Tuta absoluta Hassi Ben Abdallah tomato Ouargla pheromone traps |
Issue Date: | 30-Jun-2021 |
Series/Report no.: | volume 11 numéro 1 2021; |
Abstract: | The study of pests of the bio destructive Tuta absoluta (Meyrick) under greenhouse tomato in the region of Hassi Ben Abdallah (31 ° 59 'N, 5 ° 26' E.) in Ouargla by pheromone traps showed that the global dynamics of populations T. absoluta 5 shows the difference in successive generations of six months is the growth cycle of tomato. There were a maximum of 765 individuals, 912 and 245 respectively in the three greenhouses studied in I .T.D.A.S. The life cycle of T. absoluta in tomato plants (T: 34 ° C H%: 50 - 60%) lasts 23.85 days: egg (6 d), L1 (3.25 d), L2 (2.7 d), L3 (2.15 d), L4 (1d) and 8.75 days the chrysalis. This pest has caused losses of up to 100% in leaves and fruits of two varieties of tomato Zahra and Nedjma in February. The infestation in Nedjma is more important than Zahra. |
Description: | Revue des BioRessources |
URI: | http://dspace.univ-ouargla.dz/jspui/handle/123456789/27447 |
ISSN: | 2170-1806 |
Appears in Collections: | volume 11 numéro 1 2021 |
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B110110.pdf | 460,47 kB | Adobe PDF | View/Open |
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